Home / 866,075.80-1,298,141.70-417,011.80

Finding the Fourth Proportional to 866,075.80, 1,298,141.70 and 417,011.80

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Solution

The fourth proportional to 866,075.80, 1,298,141.70 and 417,011.80 is: 625,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,075.80 : 1,298,141.70 = 417,011.80 : x
  2. Step 2: Convert to fraction form
    866,075.80/1,298,141.70 = 417,011.80/x
  3. Step 3: Cross multiply
    866,075.80x = 1,298,141.70 × 417,011.80
  4. Step 4: Simplify right side
    866,075.80x = 541,340,406,972.06
  5. Step 5: Solve for x
    x = 541,340,406,972.06/866,075.80
  6. Step 6: Final answer
    x = 625,049.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.